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Haas Alarm: 168 A ZERO RET MARGIN TOO SMALL

Alarm: 168 A ZERO RET MARGIN TOO SMALL

Haas Alarm Description:This alarm will occur if the home/limit switches move or are misadjusted. It indicates that the zero return position may not be consistent from one zero return to the next. The encoder Z channel signal must occur between 1/8 and 7/8 revolution of where the home switch releases. This will not turn the servos off, but will stop the zero return operation. Check grid offset.